Evidence showed that Frost went to his mother and stepfather’s home in Iva on July 15, 2012. He kicked in the door, put a knife to his mother’s throat and demanded money before stabbing his stepfather more than 18 times. His stepfather died at the scene.

Frost then took several hundred dollars from his mother before stabbing her as well.

Frost was intercepted by officers as they arrived after a neighbor called 911 when she saw Frost trying to break into the home.

"Robert Frost is a dangerous and violent man who belongs in prison for the rest of his life," Solicitor Chrissy Adams said. "Although he successfully delayed justice over the course of a four-year period through various tactics, justice has now been served."